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Animal Powers

Distinctive Design

Stay clear in cold.

Animals grouped here express a similar power through their behavior in nature. Each species still has its own principle, lesson, meaning, and field-guide page.

11 species

Crocodile Icefish animal lesson image on AnimalDex

Crocodile Icefish

Species principle: Bloodless Cold

Stay clear in cold.

Adaptation can look strange when the environment is extreme.

Crocodile Icefish live in cold Antarctic waters and have unusual pale blood with little or no hemoglobin, supported by oxygen-rich cold seas.

Eastern Emerald Elysia animal lesson image on AnimalDex

Eastern Emerald Elysia

Species principle: Borrowed Green

Borrow the light.

Efficiency can come from unusual relationships with energy.

Some sacoglossan sea slugs retain chloroplasts from algae in their tissues, creating green coloration and limited photosynthetic benefit.

Eastern Glass Lizard animal lesson image on AnimalDex

Eastern Glass Lizard

Species principle: Breakaway Escape

Let the tail go.

Survival sometimes means releasing what slows the next movement.

Glass Lizards are legless lizards that can shed their tails to distract predators, relying on body shape, speed, and concealment.

Madagascar Hissing Cockroach animal lesson image on AnimalDex

Madagascar Hissing Cockroach

Species principle: Hissmark

Hiss first.

A clear signal can prevent contact without needing real attack.

Madagascar hissing cockroaches force air through spiracles to hiss during disturbance, courtship, and social interactions.

Magpie Goose (Anseranas semipalmata) thumbnail image on AnimalDex

Magpie Goose

Species principle: Marsh Design

Walk the wetland.

An unusual design can belong perfectly to its place.

Magpie geese have partly webbed feet that support both wetland swimming and walking through marsh vegetation.

Malagasy Giant Rat animal lesson image on AnimalDex

Malagasy Giant Rat

Species principle: Nightgiant

Move big, stay hidden.

Size does not remove the need for careful movement.

Malagasy giant rats are large nocturnal rodents from Madagascar that use burrows, jumping ability, and cautious activity.

Pelican Eel animal lesson image on AnimalDex

Pelican Eel

Species principle: Wide-Mouth Opportunity

Open for rarity.

Opportunity favors a design that can open wider than expected.

Gulper Eels have huge expandable mouths and elastic bodies adapted for capturing prey in the deep sea where meals can be unpredictable.

Ring-tailed Vontsira animal lesson image on AnimalDex

Ring-tailed Vontsira

Species principle: Ringpatrol

Patrol the ring.

Territory is maintained by repeated checking, not one dramatic claim.

Ring-tailed mongooses are Malagasy carnivores associated with forest movement, scent communication, and small-prey hunting.

Slender Sea Spider animal lesson image on AnimalDex

Slender Sea Spider

Species principle: Thin-Legged Ocean

Walk the strange sea.

Unusual design becomes normal when it fits the task.

Sea Spiders are marine arthropods with tiny bodies and long legs, often moving over seafloor animals and feeding with a proboscis.

Titicaca Water Frog (Telmatobius culeus) thumbnail image on AnimalDex

Titicaca Water Frog

Species principle: Folded-Skin Breathing

Breathe through the folds.

Unusual surfaces can solve what ordinary lungs cannot.

Titicaca Water Frogs have loose folded skin that increases surface area for cutaneous respiration in cold, oxygen-rich high-altitude lake water.

Tooth-billed Pigeon (Didunculus strigirostris) thumbnail image on AnimalDex

Tooth-billed Pigeon

Species principle: Toothed Design

Use the strange bill.

Unusual designs become unforgettable when they solve a real feeding problem.

Tooth-billed Pigeons have a distinctive heavy bill with tooth-like projections, used to feed on fruits in Samoan forest habitat.

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